Dúvida com JMF

public void playerstart(){
        //COMPONENTE PARA JOGAR A IMAGEM DA WEB CAM
        try
        {
            
            String str = "vfw:Microsoft WDM Image Capture (Win32):0";
            di = CaptureDeviceManager.getDevice(str);
            ml = di.getLocator();


            player = Manager.createRealizedPlayer(ml);
            player.start();

            Component comp;

            if ((comp = player.getVisualComponent()) != null)
            {
                panelFoto.add(comp, new GridBagConstraints(0, 0, 1, 5, 0.0, 0.0, GridBagConstraints.CENTER, GridBagConstraints.BOTH, new Insets(0, 0, 0, 0), 0, 0));
            }
        }
        catch (Exception e){
            e.printStackTrace();
            JOptionPane.showMessageDialog(null, e.getMessage(), "Etiq", JOptionPane.ERROR_MESSAGE);
        }
    }